CVE-2012-5460 in Secure Access
Summary
by MITRE
Cross-site scripting (XSS) vulnerability in the help page in Juniper Secure Access (SA) with IVE OS before 7.1r13, 7.2.x before 7.2r7, and 7.3.x before 7.3r2 allows remote attackers to inject arbitrary web script or HTML via the WWHSearchWordsText parameter.
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Analysis
by VulDB Data Team • 05/06/2021
The CVE-2012-5460 vulnerability represents a critical cross-site scripting flaw discovered in Juniper Secure Access (SA) appliances running IVE OS versions prior to specific patch releases. This vulnerability specifically targets the help page functionality of the system, making it accessible to remote attackers without requiring authentication or privileged access. The flaw exists within the web interface processing of user-supplied input, creating an avenue for malicious code injection that can compromise the security of users interacting with the system. The vulnerability is particularly concerning as it affects multiple version branches including 7.1r12 and earlier, 7.2r6 and earlier, and 7.3r1 and earlier, indicating a widespread exposure across Juniper's Secure Access product line.
The technical implementation of this vulnerability stems from insufficient input validation and output encoding within the help page component of the IVE OS. When users navigate to the help page and submit search queries through the WWHSearchWordsText parameter, the system fails to properly sanitize or escape user-provided input before rendering it in the web response. This allows attackers to inject malicious JavaScript code or HTML content that executes in the context of other users' browsers who visit the affected help page. The vulnerability is classified as a classic reflected XSS attack pattern where malicious input is immediately reflected back to the user without proper sanitization, enabling attackers to execute arbitrary scripts in the victim's browser session.
The operational impact of this vulnerability extends beyond simple script execution as it can be leveraged for session hijacking, credential theft, and further exploitation within the network environment. An attacker could craft malicious search queries that, when executed by a victim, would steal session cookies or redirect users to phishing sites designed to capture login credentials. The vulnerability's remote exploitability means that attackers do not need physical access to the network or administrative privileges to exploit it, making it particularly dangerous in environments where the Secure Access appliance serves as a gateway for remote users. This flaw undermines the trust model of the secure access solution and could lead to unauthorized access to protected network resources.
Security professionals should recognize this vulnerability as aligning with CWE-79, which specifically addresses cross-site scripting flaws in web applications. The ATT&CK framework categorizes this type of vulnerability under T1566, specifically targeting the exploitation of web application vulnerabilities to gain initial access or escalate privileges. Organizations utilizing affected Juniper Secure Access appliances should immediately implement mitigations including applying the appropriate firmware patches released by Juniper, implementing web application firewalls to filter malicious input, and conducting thorough network monitoring for suspicious traffic patterns. Additionally, network segmentation and user education regarding suspicious links or content should be implemented as defensive measures to reduce the potential impact of successful exploitation attempts. The vulnerability highlights the critical importance of maintaining up-to-date security patches and proper input validation in web-based enterprise security solutions.